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%D \module
%D   [       file=floatnumber,
%D        version=2008.02.11,
%D          title=\CONTEXT\ User Module,
%D       subtitle=Float Numbers,
%D         author=Wolfgang Schuster,
%D           date=\currentdate,
%D      copyright=Wolfgang Schuster,
%D          email=schuster.wolfgang@googlemail.com,
%D        license=Public Domain]

\writestatus{loading}{Context User Module / Float Numbers}

\unprotect

\def\@@floatnumber@@v{@@floatnumber@@v}
\def\@@floatnumber@@s{@@floatnumber@@s}

% namespace is already dealt with in the frontend

% \def\@@floatnumber@@v{v:}
% \def\@@floatnumber@@s{s:}

\def\makefloatcounter#1%
  {\global\@EA\let\csname\@@floatnumber@@v#1\endcsname\zeropoint
   \global\@EA\let\csname\@@floatnumber@@s#1\endcsname\zeropoint}

\def\floatcountervalue#1%
  {\ifcsname\@@floatnumber@@v#1\endcsname
     \@EA\withoutpt\the\dimexpr\csname\@@floatnumber@@v#1\endcsname\relax
   \fi}

\def\plusfloatcounter#1#2%
  {\@EA\xdef\csname\@@floatnumber@@v#1\endcsname
     {\the\dimexpr\csname\@@floatnumber@@v#1\endcsname+#2\points\relax}}

\def\minusfloatcounter#1#2%
  {\@EA\xdef\csname\@@floatnumber@@v#1\endcsname
     {\the\dimexpr\csname\@@floatnumber@@v#1\endcsname-#2\points\relax}}

\def\multiplyfloatcounter#1#2%
  {\@EA\xdef\csname\@@floatnumber@@v#1\endcsname
     {\the\dimexpr\csname\@@floatnumber@@v#1\endcsname*\integerrounding{\@EA\withoutpt\the\dimexpr#2\points*\plushundred\relax}/\plushundred\relax}}

\def\multiplyfloatcounter#1#2%
  {\@EA\xdef\csname\@@floatnumber@@v#1\endcsname
     {\the\dimexpr\csname\@@floatnumber@@v#1\endcsname*\numexpr\number\dimexpr#2\points\relax*\plushundred/\maxcard\relax/\plushundred\relax}}

\def\dividefloatcounter#1#2%
  {\@EA\xdef\csname\@@floatnumber@@v#1\endcsname
     {\the\dimexpr\csname\@@floatnumber@@v#1\endcsname*\plushundred/\integerrounding{\@EA\withoutpt\the\dimexpr#2\points*\plushundred\relax}\relax}}

\def\dividefloatcounter#1#2%
  {\@EA\xdef\csname\@@floatnumber@@v#1\endcsname
     {\the\dimexpr\csname\@@floatnumber@@v#1\endcsname*\plushundred/\numexpr\number\dimexpr#2\points\relax*\plushundred/\maxcard\relax\relax}}

\let\resetfloatcounter\makefloatcounter

\def\setfloatcounter#1#2%
  {\global\@EA\xdef\csname\@@floatnumber@@v#1\endcsname{\the\dimexpr#2\points\relax}}

\def\savefloatcounter#1%
  {\global\@EA\xdef\csname\@@floatnumber@@s#1\endcsname{\the\dimexpr\csname\@@floatnumber@@v#1\endcsname\relax}}

\def\restorefloatcounter#1%
  {\global\@EA\xdef\csname\@@floatnumber@@v#1\endcsname{\the\dimexpr\csname\@@floatnumber@@s#1\endcsname\relax}}

\protect \endinput